warrior-code-api/controllers/campaigns.js

API for Warrior-Code.

'use strict';

const Boom = require('boom');
const mongoose = require('mongoose');

const Campaign = mongoose.models.Campaign;

/**
 * Get the list of campaigns for the current user.
 */
module.exports.index = (request, reply) => {
  let userId = request.auth.credentials._id;

  Campaign.find({players: userId, isActive: true}).then(reply);
};

/**
 * Show an existing campaign.
 */
module.exports.show = (request, reply) => {
  let userId = request.auth.credentials._id;
  let campaignId = request.params.id;

  let filter = {_id: campaignId, 'players.user': userId, isActive: true};

  Campaign.findOne(filter, (err, campaign) => {
    reply(campaign);
  });
};

/**
 * Create a new campaign.
 */
module.exports.create = (request, reply) => {
  let userId = request.auth.credentials._id;

  // Create the campaign instance.
  let campaign = new Campaign(request.payload);

  // Add the current user to the host and players list.
  campaign.host = userId;
  campaign.players = [userId];

  // Save the campaign.
  campaign.save((err, campaign) => {
    if (err) {
      console.error(err);
      return reply(Boom.wrap(err, 400));
    }

    // Respond with the successfully created campaign.
    reply(campaign);
  });
};

/**
 * Update an existing campaign.
 */
module.exports.update = (request, reply) => {
  // TODO
};

/**
 * Add a player to the players list.
 * Only the same player or the host can add it.
 */
module.exports.addPlayer = (request, reply) => {
  const MAX_PLAYERS_MSG = 'This campaign has reach the max amount of players.';
  const BAD_PLAYER_MSG = 'Only the same user or the host can add this player to the campaign.';

  let userId = request.auth.credentials._id;
  let campaignId = request.params.id;
  let newPlayer = request.payload.player;

  // Get the campaign.
  Campaign.findById(campaignId, (err, campaign) => {
    if (err || !campaign) {
      return reply(Boom.notFound('The campaign does not exists.'));
    }

    // Check if the campaign is waiting for players.
    if (!campaign.isWaitingForPlayers) {
      return reply(Boom.badRequest(MAX_PLAYERS_MSG));
    }

    // Check if the user is not the host or the new player.
    if (!(campaign.host.equals(userId) || newPlayer === userId)) {
      return reply(Boom.badRequest(BAD_PLAYER_MSG));
    }

    // Add the new player
    let added = campaign.addPlayer(newPlayer);

    // Respond with a message that ensures if the player was added or not.
    reply({
      player: newPlayer,
      added: added
    });
  });
};

/**
 * Delete an existing campaign.
 * Administrators only.
 */
module.exports.delete = (request, reply) => {
  // TODO
};